Tuesday, 10 November 2020

The freshwater biome

https://ucmp.berkeley.edu/exhibits/biomes/freshwater.php 

 

Freshwater is defined as having a low salt concentration — usually less than 1%. Plants and animals in freshwater regions are adjusted to the low salt content and would not be able to survive in areas of high salt concentration (i.e., ocean). There are different types of freshwater regions:

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Thursday, 5 November 2020

THE ORIGIN OF VACCINES


 

How COVID-19 Affects the Body


 
 
 


COVID-19: ¿Qué sucede si te infectas de Coronavirus?

 

  

3D Animation: How Do I Protect Myself From Coronavirus, COVID-19?